Game category: Puzzle
oOo: Ascension
Navigate your ship through short but ferociously difficult levels in the shortest time possible!
Operation Zeta
Recover parts to your crashed ship from wacky locals to escape a hostile battlefield. Unlock and play as 13 different characters from space monkeys to mischievous slugs.
OPUS: Rocket of Whispers
Travel across a world of ice and snow, through burned down ruins and treacherous peaks, to launch a rocket that will reach the stars!
Orbals
In the magical and colourful kingdom of Orbalia, finding more Mojo can mean the difference between life and death!
Organic Engine
“Organic Engine” is an incremental game where you need to build a biologically advanced mutated organism.
Orten Was The Case
Ortheo
Ortheo is a bite-sized open-world momentum-based 3D platformer.
OS Omega
You are Binary Boy, an agent of OS Omega and your goal is to defeat the virus that wants to format the C drive of the computer you must protect.
Osyaberi! Puzzle Chigatan ～Spot the Differences with Everyone～
A “Spot the Differences” game filled with creative illustrations! There are 500 stages! Plus, the puzzles are randomly generated each time for never-ending fun!
Otoko Cross: Pretty Boys Dropout!
Puzzle your way through block-sliding stages as you get to know a cast of otokonoko characters!